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| n | a(n) |
|---|---|
| 1 | 81 |
| 2 | 558 |
| 3 | 558 |
| 4 | 3844 |
| 5 | 7074 |
| 6 | 3844 |
| 7 | 26784 |
| 8 | 89118 |
| 9 | 89118 |
| 10 | 26784 |
| 11 | 186624 |
| 12 | 1151346 |
| 13 | 2046098 |
| 14 | 1151346 |
| 15 | 186624 |
| 16 | 1296000 |
| 17 | 14837270 |
| 18 | 48744342 |
| 19 | 48744342 |
| 20 | 14837270 |
| 21 | 1296000 |
| 22 | 9000000 |
| 23 | 190416934 |
| 24 | 1154712762 |
| 25 | 2171002788 |
| 26 | 1154712762 |
| 27 | 190416934 |
[81,558,558,3844,7074,3844,26784,89118,89118, 26784,186624,1151346,2046098,1151346,186624, 1296000,14837270,48744342,48744342,14837270, 1296000,9000000,190416934,1154712762,2171002788, 1154712762,190416934] |